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Tumor necrosis factor (TNF)-α increases transforming growth factor β type I receptor (TGF-βRI) and transforming growth factor β type II receptor (TGF-βRII) protein expression levels in KG-1 cells. KG-1 cells were treated with 5 ng/ml TNF-α (+ group) or not treated as the control (− group) for 24 h. The total proteins in the KG-1 cells were extracted and a western blot analysis was performed.
